A couple poses for photographs in front of the Sydney Harbour Bridge in Sydney, Australia, on Monday, Dec. 24, 2012. At least 150,000 people from mainland China and across Asia are projected to descend on Sydney, Australia's most populous city, during the New Year's Eve and Chinese New Year period. Photographer: Brendon Thorne/Bloomberg via Getty Images

A couple poses for photographs in front of the Sydney Harbour Bridge in Sydney, Australia, on Monday, Dec. 24, 2012. At least 150,000 people from mainland China and across Asia are projected to descend on Sydney, Australia's most populous city, during the New Year's Eve and Chinese New Year period. Photographer: Brendon Thorne/Bloomberg via Getty Images

A climber scales the Sydney Harbour Bridge during a guided tour operated by BridgeClimb in Sydney, Australia, on Monday, Dec. 24, 2012. Beginning next month, people wanting to ascend 134 meters above sea level to the top of the bridge spanning Sydney Harbour will have the option to hear guides speak Mandarin. Photographer: Brendon Thorne/Bloomberg via Getty Images

A climber scales the Sydney Harbour Bridge during a guided tour operated by BridgeClimb in Sydney, Australia, on Monday, Dec. 24, 2012. Beginning next month, people wanting to ascend 134 meters above sea level to the top of the bridge spanning Sydney Harbour will have the option to hear guides speak Mandarin. Photographer: Brendon Thorne/Bloomberg via Getty Images

Climbers scale the Sydney Harbour Bridge during a guided tour operated by BridgeClimb as the Sydney Opera House stands in the background in Sydney, Australia, on Monday, Dec. 24, 2012. Beginning next month, people wanting to ascend 134 meters above sea level to the top of the bridge spanning Sydney Harbour will have the option to hear guides speak Mandarin. Photographer: Brendon Thorne/Bloomberg via Getty Images

Climbers scale the Sydney Harbour Bridge during a guided tour operated by BridgeClimb as the Sydney Opera House stands in the background in Sydney, Australia, on Monday, Dec. 24, 2012. Beginning next month, people wanting to ascend 134 meters above sea level to the top of the bridge spanning Sydney Harbour will have the option to hear guides speak Mandarin. Photographer: Brendon Thorne/Bloomberg via Getty Images

Climbers make their way towards the summit as they scale the Sydney Harbour Bridge during a guided tour operated by BridgeClimb in Sydney, Australia, on Monday, Dec. 24, 2012. Beginning next month, people wanting to ascend 134 meters above sea level to the top of the bridge spanning Sydney Harbour will have the option to hear guides speak Mandarin. Photographer: Brendon Thorne/Bloomberg via Getty Images

Climbers make their way towards the summit as they scale the Sydney Harbour Bridge during a guided tour operated by BridgeClimb in Sydney, Australia, on Monday, Dec. 24, 2012. Beginning next month, people wanting to ascend 134 meters above sea level to the top of the bridge spanning Sydney Harbour will have the option to hear guides speak Mandarin. Photographer: Brendon Thorne/Bloomberg via Getty Images

The Sydney Opera House is viewed from the arch of the Sydney Harbour Bridge in Sydney, Australia, on Monday, Dec. 24, 2012. Beginning next month, people wanting to ascend 134 meters above sea level to the top of the bridge spanning Sydney Harbour will have the option to hear guides speak Mandarin. Photographer: Brendon Thorne/Bloomberg via Getty Images

The Sydney Opera House is viewed from the arch of the Sydney Harbour Bridge in Sydney, Australia, on Monday, Dec. 24, 2012. Beginning next month, people wanting to ascend 134 meters above sea level to the top of the bridge spanning Sydney Harbour will have the option to hear guides speak Mandarin. Photographer: Brendon Thorne/Bloomberg via Getty Images

The Sydney Opera House is viewed from the arch of the Sydney Harbour Bridge in Sydney, Australia, on Monday, Dec. 24, 2012. Beginning next month, people wanting to ascend 134 meters above sea level to the top of the bridge spanning Sydney Harbour will have the option to hear guides speak Mandarin. Photographer: Brendon Thorne/Bloomberg via Getty Images

The Sydney Opera House is viewed from the arch of the Sydney Harbour Bridge in Sydney, Australia, on Monday, Dec. 24, 2012. Beginning next month, people wanting to ascend 134 meters above sea level to the top of the bridge spanning Sydney Harbour will have the option to hear guides speak Mandarin. Photographer: Brendon Thorne/Bloomberg via Getty Images

The Sydney Opera House, left, and the Overseas Passenger Terminal at Circular Quay, right, are viewed from the arch of the Sydney Harbour Bridge in Sydney, Australia, on Monday, Dec. 24, 2012. Beginning next month, people wanting to ascend 134 meters above sea level to the top of the bridge spanning Sydney Harbour will have the option to hear guides speak Mandarin. Photographer: Brendon Thorne/Bloomberg via Getty Images

The Sydney Opera House, left, and the Overseas Passenger Terminal at Circular Quay, right, are viewed from the arch of the Sydney Harbour Bridge in Sydney, Australia, on Monday, Dec. 24, 2012. Beginning next month, people wanting to ascend 134 meters above sea level to the top of the bridge spanning Sydney Harbour will have the option to hear guides speak Mandarin. Photographer: Brendon Thorne/Bloomberg via Getty Images

Celebrity Cruises Inc.'s Solstice cruise ship sits docked at Circular Quay in Sydney, Australia, on Monday, Dec. 24, 2012. At least 150,000 people from mainland China and across Asia are projected to descend on Sydney, Australia's most populous city, during the New Year's Eve and Chinese New Year period. Photographer: Brendon Thorne/Bloomberg via Getty Images

Celebrity Cruises Inc.'s Solstice cruise ship sits docked at Circular Quay in Sydney, Australia, on Monday, Dec. 24, 2012. At least 150,000 people from mainland China and across Asia are projected to descend on Sydney, Australia's most populous city, during the New Year's Eve and Chinese New Year period. Photographer: Brendon Thorne/Bloomberg via Getty Images

Visitors walk up a set of steps in front of the Sydney Opera House in Sydney, Australia, on Monday, Dec. 24, 2012. At least 150,000 people from mainland China and across Asia are projected to descend on Sydney, Australia's most populous city, during the New Year's Eve and Chinese New Year period. Photographer: Brendon Thorne/Bloomberg via Getty Images

Visitors walk up a set of steps in front of the Sydney Opera House in Sydney, Australia, on Monday, Dec. 24, 2012. At least 150,000 people from mainland China and across Asia are projected to descend on Sydney, Australia's most populous city, during the New Year's Eve and Chinese New Year period. Photographer: Brendon Thorne/Bloomberg via Getty Images

A woman poses for a photograph in front of the Sydney Opera House in Sydney, Australia, on Monday, Dec. 24, 2012. At least 150,000 people from mainland China and across Asia are projected to descend on Sydney, Australia's most populous city, during the New Year's Eve and Chinese New Year period. Photographer: Brendon Thorne/Bloomberg via Getty Images

A woman poses for a photograph in front of the Sydney Opera House in Sydney, Australia, on Monday, Dec. 24, 2012. At least 150,000 people from mainland China and across Asia are projected to descend on Sydney, Australia's most populous city, during the New Year's Eve and Chinese New Year period. Photographer: Brendon Thorne/Bloomberg via Getty Images

Visitors take photographs in front of the Sydney Opera House in Sydney, Australia, on Monday, Dec. 24, 2012. At least 150,000 people from mainland China and across Asia are projected to descend on Sydney, Australia's most populous city, during the New Year's Eve and Chinese New Year period. Photographer: Brendon Thorne/Bloomberg via Getty Images

Visitors take photographs in front of the Sydney Opera House in Sydney, Australia, on Monday, Dec. 24, 2012. At least 150,000 people from mainland China and across Asia are projected to descend on Sydney, Australia's most populous city, during the New Year's Eve and Chinese New Year period. Photographer: Brendon Thorne/Bloomberg via Getty Images